# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1347550543 -7200
# Node ID 077fd901d7c7144ba4aa8d6eeed58f868718c778
# Parent  2643a994e70920bb34a2691c023f0aed90cbbcc8
enhanced tracing of Graal monitor slow paths (i.e., stub calls)

diff -r 2643a994e709 -r 077fd901d7c7 src/share/vm/c1/c1_Runtime1.cpp
--- a/src/share/vm/c1/c1_Runtime1.cpp	Thu Sep 13 12:35:21 2012 +0200
+++ b/src/share/vm/c1/c1_Runtime1.cpp	Thu Sep 13 17:35:43 2012 +0200
@@ -687,7 +687,9 @@
   NOT_PRODUCT(_monitorenter_slowcase_cnt++;)
 #ifdef ASSERT
   if (TraceGraal >= 3) {
-    tty->print_cr("entered locking slow case with obj=" INTPTR_FORMAT " and lock= " INTPTR_FORMAT, obj, lock);
+    markOop mark = obj->mark();
+    markOop dmw = mark->has_displaced_mark_helper() ? mark->displaced_mark_helper() : (markOop) (int*) 0xFFFFFFFF;
+    tty->print_cr("entered locking slow case with obj=" INTPTR_FORMAT ", mark=" INTPTR_FORMAT ", dmw=" INTPTR_FORMAT " and lock= " INTPTR_FORMAT, obj, mark, dmw , lock);
   }
   if (PrintBiasedLockingStatistics) {
     Atomic::inc(BiasedLocking::slow_path_entry_count_addr());
@@ -741,6 +743,11 @@
   } else {
     ObjectSynchronizer::fast_exit(obj, lock, THREAD);
   }
+#ifdef ASSERT
+  if (TraceGraal >= 3) {
+    tty->print_cr("exited locking slow case with obj=" INTPTR_FORMAT ", mark=" INTPTR_FORMAT " and lock= " INTPTR_FORMAT, obj, obj->mark(), lock);
+  }
+#endif
 JRT_END
 
 JRT_ENTRY(void, Runtime1::graal_log_object(JavaThread* thread, oop obj, jboolean newline, jboolean string))